Gerald,
el script que has puesto no tiene nada que ver con la música, es un efecto para las imágenes.
xenia, la parte de la música es esta
<SELECT name=Musica size=1
id=cancion
style="FONT-FAMILY: Tahoma; TEXT-ALIGN: left"
onchange=document.all.musica.filename=document.all .cancion.value;>
<OPTION>Tria MIDI</OPTION>
<OPTION value="multimedia/midis/dbop.mid">Bola de Drac (Opening)</OPTION>
<OPTION value="multimedia/midis/dbzop.mid">Bola de Drac Z (Opening 1)</OPTION>
<OPTION value="multimedia/midis/dbzop2.mid">Bola de Drac Z (Opening
2)</OPTION>
<OPTION value="multimedia/midis/dbzend2.mid">Bola de Drac Z (Ending
2)</OPTION>
<OPTION value="multimedia/midis/dbgtop.mid">Bola de Drac GT (Opening)</OPTION>
<OPTION value="multimedia/midis/dbgtend.mid">Bola de Drac GT (Ending
1)</OPTION>
<OPTION value="multimedia/midis/dbgtend2.mid">Bola de Drac GT (Ending
2)</OPTION>
<OPTION value="multimedia/midis/dbgtend3.mid">Bola de Drac GT (Ending
3)</OPTION>
<OPTION value="multimedia/midis/dbgtend4.mid">Bola de Drac GT (Ending
4)</OPTION>
</SELECT>
<font size=1><b><font face=Tatum size=1> <br>
<object classid=clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95 height=46
id=musica width=211>
<param name="AutoStart" value="-1">
<param name="Balance" value="0">
<param name="DisplaySize" value="0">
<param name="Filename" value="">
<param name="Mute" value="0">
<param name="SelectionStart" value="-1">
<param name="SelectionEnd" value="-1">
<param name="ShowControls" value="-1">
<param name="ShowAudioControls" value="-1">
<param name="ShowDisplay" value="0">
<param name="ShowPositionControls" value="-1">
<param name="Volume" value="0">
<param name="AudioStream" value="-1">
<param name="AutoSize" value="0">
<param name="AnimationAtStart" value="-1">
<param name="AllowScan" value="-1">
<param name="AllowChangeDisplaySize" value="-1">
<param name="AutoRewind" value="0">
<param name="BaseURL" value="">
<param name="BufferingTime" value="5">
<param name="CaptioningID" value="">
<param name="ClickToPlay" value="-1">
<param name="CursorType" value="0">
<param name="CurrentPosition" value="-1">
<param name="CurrentMarker" value="0">
<param name="DefaultFrame" value="">
<param name="DisplayBackColor" value="0">
<param name="DisplayForeColor" value="16777215">
<param name="DisplayMode" value="0">
<param name="Enabled" value="-1">
<param name="EnableContextMenu" value="-1">
<param name="EnablePositionControls" value="-1">
<param name="EnableFullScreenControls" value="0">
<param name="EnableTracker" value="-1">
<param name="InvokeURLs" value="-1">
<param name="Language" value="-1">
<param name="PlayCount" value="1">
<param name="PreviewMode" value="0">
<param name="Rate" value="1">
<param name="SAMILang" value="">
<param name="SAMIStyle" value="">
<param name="SAMIFileName" value="">
<param name="SendOpenStateChangeEvents" value="-1">
<param name="SendWarningEvents" value="-1">
<param name="SendErrorEvents" value="-1">
<param name="SendKeyboardEvents" value="0">
<param name="SendMouseClickEvents" value="0">
<param name="SendMouseMoveEvents" value="0">
<param name="SendPlayStateChangeEvents" value="-1">
<param name="ShowCaptioning" value="0">
<param name="ShowGotoBar" value="0">
<param name="ShowStatusBar" value="0">
<param name="ShowTracker" value="-1">
<param name="TransparentAtStart" value="0">
<param name="VideoBorderWidth" value="0">
<param name="VideoBorderColor" value="0">
<param name="VideoBorder3D" value="0">
<param name="WindowlessVideo" value="0">
</object>
y lo que debes cambiar es el nombre y ruta de archivo en cada uno de los option
<OPTION value="
multimedia/midis/dbop.mid">Aqui la descripción del tema</OPTION>
Eso sí, sólo sirve para IExplorer.
traslado el tema al foro de javascript
un saludo